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Calling Party Indication (Lamp Type)
Tie-line
A one station/one lamp type calling party indication panel
can be provided for certain specified stations (eight stations
or eight groups of stations)
The system can also be divided into a maximum of 8 groups
of stations (consecutive station numbers) so that each
group may have the calling party indication panels which
are common within the group. The party making the call is
indicated even if the call is made to any station in the group.
<Calling station memory>
It is also possible to equip the system with the "Calling
station Memory" function. With this function the
calling party's lamp remains lit on the indication panel
to keep on lighting even if he cancels the call when the
called party is on another line or in Privacy mode.
< Indication mode without calling station memory >
Indication panel at station No. 239
1. A lamp of the calling station comes on and goes out
when the conversation is over.
2. When the call is made during conversation or privacy
mode, a lamp of the calling station comes on and goes
out when the calling station cancels the call.
1. The lamp at the station receiving the call comes on
when a call is made and goes out when the conver-
sation is completed.
2. When a call (camp-on-busy) is made to the busy or
the privacy station (with the privacy switch on), the
lamp of calling station comes on. The lamp will not
go out even if the original call is cancelled.
3. The lamp goes out after the conversation is canelled.
4. Dialing
without placing a call causes all lights to go out. *1
No.208
Camp-on-busy
No.201
No.239
having the panel
Note.
*1. In the case of Handset Master station TL-600M,
lift a station handset and confirm that a dial tone
is heard. Press after cancelling the dial tone
by pressing
1. The maximum number of calling stations is 256.
When 2 or 3 exchanges are connected by tie-lines, the
party who is calling through the remote extension
exchange is not indicated.
2. The indication panel must be used with the Data
Transmitting and Receiving Units.
3. No.200 programming must be established in exchange
"A" for stations or station groups to have the indica-
tion panel. Similarly, No.470 programming must be
established in exchange "B" and No.740 program-
ming in exchange "C".
4. If the lamp type calling party indication function is
used, this makes it impossible to use the lamp type
conversation partner indication function.
Example of registration
Indication
panel
1
2
3
4
5
6
7
8
First station
number
239
251
Last station
number
239
255
1. Station No. 239 has the indication panel No.2.
2. The group of stations No. 251-255 is provided with the
indication panel No. 5.
Conversation
< Indication mode with calling station memory >
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